A Critical Review of Various MPPT Methods of Solar PV System

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International Research Journal of Engineering and Technology (IRJET)

e-ISSN: 2395-0056

Volume: 10 Issue: 11 | Nov 2023

p-ISSN: 2395-0072

www.irjet.net

A Critical Review of Various MPPT Methods of Solar PV System Pranjal Devendra Mishra, Seema Pal Student, Jabalpur Engineering College, Jabalpur, Madhya Pradesh, India, 482011 Assistant Professor, Jabalpur Engineering College, Jabalpur, Madhya Pradesh, India, 482011 -----------------------------------------------------------------------***-----------------------------------------------------------------------

Abstract: A well-organized maximum power point

systems, can track the maximum power point (MPP) of a PV system and transfer high PV power to the load. The confusion between P&O and INC methods has been clarified in the research paper [11], proving that both algorithms are almost highly uniform under steady-state and transient conditions. Besides ignoring the higherorder term in the discrete differentiation of the power both methods are almost the same. The sliding control (SC) method is more accurate but complex than ordinary methods [12]. The traditional methods, such as HC, P&O, fuzzy logic, INC, and neural networks, are not able to find the global MPP (GMPP) under partial shading conditions (PSC) [13]. The performance of meta-heuristic methods for finding global MPPT (GMPPT) is depicted in the paper [14]. It is seen that the GMPP convergence is achieved by particle swarm optimization (PSO) and Cuckoo search (CuS) methods, and the CuS technique's tracking ability is superior to the PSO. A model-free spline-guided Jaya algorithm [15] is used for the brilliant MPPT in the PV system, which is quicker in convergence and performs better under PSC. An economical and easy MPPT method based on temperature, which needs very few sensors is described in the paper [16]. The description of the bisection search theorem-based MPPT method is provided in the paper [17]. This method is particularly used when at least two neighborhood MPPs are present under different climate conditions.

tracking (MPPT) method is vital for improving photovoltaic systems' performance. A comprehensive review of the classification of MPPT methods for PV systems is provided in this study. The methods are categorized into different groups based on their tracking ability. This study focuses on the salient features. The advantages and drawbacks, classification, and vast comparison of different methods given in this study can be used as a reference for further research to improve the performance of PV systems. The tabular representation is also used to improve the performance of tracking methods, which will assist in picking the suitable approach for any particular exercise. Key Words: MPP, PV, PSC, Temperature & Irradiance.

1. Introduction Due to the increment in the greenhouse effect and decrease in conventional fuel availability, new energy sources are needed [1], [2]. Compared to other sources of energy solar energy is preferable due to its availability, it does not affect the environment, and it is easy to install the setup [3], [4]. The system's load can be satisfied with the PV source of electrical energy generation. However, the PV system is not the majority source of energy generation due to its high initial cost. Because the PV Systems' energy depends on various factors like environmental conditions, connected load, Sun Irradiance, and Temperature, constant power generation is difficult. For getting the maximum output from the PV module some reliable mechanism is needed, known as maximum power point tracking (MPPT). The MPPT enhances the efficiency and working time of the PV system [5], [6].

Research works in the paper [2] have presented a categorized elaboration of different methods with 3 categories. Five parameters are used to compare the different MPPT algorithms with categorization in the paper [18]. Five categories are used for different MPPT methods in the paper [19] with five different parameters. The arrangement for the rest of the paper is given as. The 2nd Section describes the PV module with its I-V & P-V curves and the effect of temperature, irradiance, and PSC on maximum power. The need for the MPPT controller, selection parameters, and Partial Shading condition (PSC)-enforced MPPT methods are given in the 3rd Section. A summary of different MPPT algorithms and their comparisons is denoted in the 4th Section. A generalized discussion of the reviewed methods is also given in the 4th Section. The conclusion is depicted in the 5th section.

Scientists and researchers have done various work in the field of sustainable energy generation by the PV system. Due to this, a lot of MPPT algorithms are present in the literature for both off-grid and grid-associated PV systems [7]. However, the selection of a specific algorithm for any particular task is very difficult [8]. For example, the hill climbing (HC) [9] and perturbation and observation (P&O) methods are extensively used as MPPT algorithms because of their simple working and fewer requirements. The incremental conductance (INC) algorithm [10], which is used for incremental and quick conductance of PV

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